4.2* 3.6+58* 0.36怎样简算...............
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 23:25:49
![4.2* 3.6+58* 0.36怎样简算...............](/uploads/image/z/26887-31-7.jpg?t=4.2%2A+3.6%2B58%2A+0.36%E6%80%8E%E6%A0%B7%E7%AE%80%E7%AE%97...............)
4.2* 3.6+58* 0.36怎样简算...............
4.2* 3.6+58* 0.36怎样简算
...............
4.2* 3.6+58* 0.36怎样简算...............
4.2* 3.6+58* 0.36
=42*0.36+58*0.36
=0.36(42+58)
=36
42*0.36+58*0.36=0.36*(42+58)=36
4.2* 3.6+58* 0.36
=4.2*10*0.36+58*0.36
=42*0.36+58*0.36
=(42+58)*0.36
=100*0.36
=36
提取0.36
=0.36*(42+58)
=0.36*100
=36
4.2*3.6+58*0.36=4.2*3.6+5.8*3.6=(4.2+5.8)*3.6=36.完毕!
4.2* 3.6+58* 0.36
=4.2* 3.6+5.8* 3.6
=3.6(4.2+5.8)
=3.6×10
=36